#------------------------------------------------------------------------------ #$Date: 2016-07-15 11:04:02 +0100 (Fri, 15 Jul 2016) $ #$Revision: 184482 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/52/2105200.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2105200 loop_ _publ_author_name 'Voronin, Vladimir I.' 'Shekhtman, Georgi Sh.' 'Blatov, Vladislav A.' _publ_section_title ; The natural tiling approach to cation conductivity in KAlO~2~ polymorphs ; _journal_coeditor_code KD5061 _journal_issue 4 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 356 _journal_page_last 363 _journal_paper_doi 10.1107/S0108768112027462 _journal_volume 68 _journal_year 2012 _chemical_formula_sum 'Al K O2' _chemical_formula_weight 98.08 _chemical_name_systematic ' ?' _space_group_IT_number 61 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2ac 2ab' _symmetry_space_group_name_H-M 'P b c a' _cell_angle_alpha 90.00000 _cell_angle_beta 90.00000 _cell_angle_gamma 90.00000 _cell_formula_units_Z 16 _cell_length_a 5.43867(18) _cell_length_b 10.9236(3) _cell_length_c 15.4564(4) _cell_measurement_temperature 300 _cell_volume 918.26(5) _computing_structure_refinement FULLPROF _diffrn_ambient_temperature 300 _diffrn_measurement_device_type 'HPRT neutron' _diffrn_radiation_probe neutron _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.88570 _exptl_crystal_density_diffrn 2.838 _pd_instr_location ' 'PSI, Switzerland'' _pd_meas_2theta_range_inc 0.100000 _pd_meas_2theta_range_max 164.70000 _pd_meas_2theta_range_min 4.60000 _pd_meas_number_of_points 1602 _pd_proc_2theta_range_inc 0.100000 _pd_proc_2theta_range_max 164.6287 _pd_proc_2theta_range_min 4.5287 _pd_proc_ls_background_function 'linear interpolation' _pd_proc_ls_pref_orient_corr ' ?' _pd_proc_ls_profile_function pseudo-Voigt _pd_proc_ls_prof_R_factor 1.2628 _pd_proc_ls_prof_wR_expected 1.2512 _pd_proc_ls_prof_wR_factor 1.7252 _pd_proc_wavelength 1.885700 _pd_spec_mounting ' ?' _refine_ls_goodness_of_fit_all 1.9010 _refine_ls_number_parameters 68 _refine_ls_number_reflns 566 _refine_ls_number_restraints 0 _cod_data_source_file kd5061.cif _cod_data_source_block KAlO2_300 _cod_original_sg_symbol_H-M 'P B C A' _cod_database_code 2105200 loop_ _symmetry_equiv_pos_as_xyz x,y,z x+1/2,-y+1/2,-z -x,y+1/2,-z+1/2 -x+1/2,-y,z+1/2 -x,-y,-z -x+1/2,y+1/2,z x,-y+1/2,z+1/2 x+1/2,y,-z+1/2 loop_ _atom_site_type_symbol _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy AL Al1 0.2590(10) 0.0104(5) 0.1866(7) 0.0059(5) Uiso 1.00000 AL Al2 0.2811(8) 0.2601(5) 0.0656(5) 0.0059(5) Uiso 1.00000 K K1 0.7534(11) 0.0067(6) 0.0611(7) 0.021(5) Uani 1.00000 K K2 0.7916(10) 0.2592(5) 0.1863(5) 0.014(4) Uani 1.00000 O O1 0.5673(7) 0.2848(4) 0.0162(2) 0.018(2) Uani 1.00000 O O2 0.1777(7) 0.4023(3) 0.10588(19) 0.0089(19) Uani 1.00000 O O3 0.2965(6) 0.1555(3) 0.1479(2) 0.0164(18) Uani 1.00000 O O4 0.0526(7) 0.4856(3) 0.2776(3) 0.012(2) Uani 1.00000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 _atom_site_aniso_type_symbol K1 0.020(4) 0.018(4) 0.026(6) 0.00000 0.015(4) 0.00000 K K2 0.019(3) 0.014(3) 0.010(5) 0.00000 -0.002(3) 0.00000 K O1 0.0104(18) 0.029(2) 0.014(2) 0.00000 0.0093(15) 0.00000 O O2 0.014(2) 0.0086(18) 0.0037(19) 0.00000 -0.0033(13) 0.00000 O O3 0.0044(5) 0.018(2) 0.027(3) 0.00000 -0.0046(16) 0.00000 O O4 0.0103(19) 0.012(2) 0.015(2) 0.00000 -0.0071(17) 0.00000 O loop_ _atom_type_symbol _atom_type_scat_length_neutron _atom_type_scat_source AL 0.34490 V.F._Sears_Neutron_News_3_26_(1992) K 0.36700 V.F._Sears_Neutron_News_3_26_(1992) O 0.58030 V.F._Sears_Neutron_News_3_26_(1992) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle O2 Al1 O3 9_655 10_555 110.668 O2 Al1 O4 9_655 11_556 107.574 O2 Al1 O4 9_655 12_655 110.532 O3 Al1 O4 10_555 11_556 111.067 O3 Al1 O4 10_555 12_655 110.690 O4 Al1 O4 11_556 12_655 106.177 O1 Al2 O1 8_555 9_565 108.160 O1 Al2 O2 8_555 10_555 107.502 O1 Al2 O3 8_555 11_555 103.672 O1 Al2 O2 9_565 10_555 106.489 O1 Al2 O3 9_565 11_555 111.993 O2 Al2 O3 10_555 11_555 109.926 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance Al1 O2 6_545 1.752(9) Al1 O3 . 1.706(7) Al1 O4 3_545 1.803(7) Al1 O4 6_545 1.761(10) Al2 O1 . 1.755(6) Al2 O1 2_455 1.786(7) Al2 O2 . 1.765(7) Al2 O3 . 1.712(8) K1 O1 6_645 2.703(8) K1 O2 2_555 2.796(11) K1 O2 6_545 2.698(7) K1 O4 3_645 2.717(11) K2 O1 . 2.912(8) K2 O2 1_655 2.898(7) K2 O3 . 2.981(6) K2 O3 8_555 2.802(8) K2 O4 8_555 2.849(7)